Finding the Fourth Proportional to 22,764.07, 31,414.30 and 13,205.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,764.07 : 31,414.30 = 13,205.89 : x
2. Step 2: Convert to fraction form
   22,764.07/31,414.30 = 13,205.89/x
3. Step 3: Cross multiply
   22,764.07x = 31,414.30 × 13,205.89
4. Step 4: Simplify right side
   22,764.07x = 414,853,790.23
5. Step 5: Solve for x
   x = 414,853,790.23/22,764.07
6. Step 6: Final answer
   x = 18,224.06